First Tools 3D Printed Aboard Space Station

Astronauts aboard the International Space Station have manufactured their first tool using the 3D printer on board the station. This is another step in the ongoing process of testing and using additive manufacturing in space. The ability to build tools and replacement parts at the station is something NASA has been pursuing keenly. The first tool printed was a simple wrench. This may not sound like ground-breaking stuff, unless you've ever been in the middle of a project only to find you're miss...